A sample of n = 25 scores has M = 20 and s2 = 9 . What is the sample standard deviation? a. 3 c. ...

Author Question: A sample of n = 25 scores has M = 20 and s2 = 9 . What is the sample standard deviation? a. 3 c. ... (Read 83 times)

burton19126

Hero Member
Posts: 532

on: Jun 20, 2018

A sample of n = 25 scores has M = 20 and s2 = 9 . What is the sample standard deviation?

a. 3 c. 9
b. 4.5 d. 81

Question 2

Which of the following symbols identifies the sample variance?

a. s c.
b. s2 d. 2

kjohnson

Sr. Member
Posts: 330

Reply #1 on: Jun 20, 2018

Answer to Question 1

A

Answer to Question 2

B

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